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# MDEV-19629: Implement MySQL 8.0 native functions: format_bytes(), format_pico_time() and ps_thread_id()
#
# Tests for the Performance Schema native function format_pico_time()
#
SELECT format_pico_time(NULL);
format_pico_time(NULL)
NULL
SELECT format_pico_time(0);
format_pico_time(0)
0 ps
SELECT format_pico_time(1);
format_pico_time(1)
1 ps
SELECT format_pico_time(999);
format_pico_time(999)
999 ps
SELECT format_pico_time(1000);
format_pico_time(1000)
1.00 ns
SELECT format_pico_time(1001);
format_pico_time(1001)
1.00 ns
SELECT format_pico_time(999999);
format_pico_time(999999)
1000.00 ns
SELECT format_pico_time(1000000);
format_pico_time(1000000)
1.00 us
SELECT format_pico_time(1000001);
format_pico_time(1000001)
1.00 us
SELECT format_pico_time(1010000);
format_pico_time(1010000)
1.01 us
SELECT format_pico_time(987654321);
format_pico_time(987654321)
987.65 us
SELECT format_pico_time(1000000000);
format_pico_time(1000000000)
1.00 ms
SELECT format_pico_time(999876000000);
format_pico_time(999876000000)
999.88 ms
SELECT format_pico_time(999999999999);
format_pico_time(999999999999)
1000.00 ms
SELECT format_pico_time(1000000000000);
format_pico_time(1000000000000)
1.00 s
SELECT format_pico_time(59000000000000);
format_pico_time(59000000000000)
59.00 s
SELECT format_pico_time(60000000000000);
format_pico_time(60000000000000)
1.00 min
SELECT format_pico_time(3549000000000000);
format_pico_time(3549000000000000)
59.15 min
SELECT format_pico_time(3599000000000000);
format_pico_time(3599000000000000)
59.98 min
SELECT format_pico_time(3600000000000000);
format_pico_time(3600000000000000)
1.00 h
SELECT format_pico_time(power(2, 63));
format_pico_time(power(2, 63))
106.75 d
SELECT format_pico_time((power(2, 63) - 1) * 2 + 1);
format_pico_time((power(2, 63) - 1) * 2 + 1)
213.50 d
SELECT format_pico_time(36000000.495523);
format_pico_time(36000000.495523)
36.00 us
SELECT format_pico_time(1000 * pow(10,12) * 86400);
format_pico_time(1000 * pow(10,12) * 86400)
1000.00 d
SELECT format_pico_time(86400000000000000000);
format_pico_time(86400000000000000000)
1000.00 d
SELECT format_pico_time(86400000000000000000+5000);
format_pico_time(86400000000000000000+5000)
1000.00 d
## Negative values are ok
SELECT format_pico_time(1010000 * -1);
format_pico_time(1010000 * -1)
-1.01 us
## Force exponent
SELECT format_pico_time(8650000000000000000099);
format_pico_time(8650000000000000000099)
1.00e+05 d
SELECT format_pico_time(-8650000000000000000099);
format_pico_time(-8650000000000000000099)
-1.00e+05 d
SELECT format_pico_time(8640000000000000000099 * 2);
format_pico_time(8640000000000000000099 * 2)
2.00e+05 d
## Text input
SELECT format_pico_time("foo");
format_pico_time("foo")
0 ps
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'foo'
SELECT format_pico_time("");
format_pico_time("")
0 ps
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: ''
SELECT format_pico_time("118059162071741143500099");
format_pico_time("118059162071741143500099")
1.37e+06 d
SELECT format_pico_time("-118059162071741143500099");
format_pico_time("-118059162071741143500099")
-1.37e+06 d
## Recognizes up to first non-numeric
SELECT format_pico_time("40000 * 2000");
format_pico_time("40000 * 2000")
40.00 ns
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: '40000 * 2000'
SELECT format_pico_time("40000 foo 2000");
format_pico_time("40000 foo 2000")
40.00 ns
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: '40000 foo 2000'
## Aggregate functions
USE test;
CREATE TABLE timer_waits (id VARCHAR(10), wait BIGINT UNSIGNED DEFAULT NULL) DEFAULT CHARSET = utf8mb4;
INSERT INTO timer_waits VALUES ('1 sec', 1000000000000);
INSERT INTO timer_waits VALUES ('1 min', 60000000000000);
INSERT INTO timer_waits VALUES ('1 hour', 3600000000000000);
INSERT INTO timer_waits VALUES ('1 day', 86400000000000000);
INSERT INTO timer_waits VALUES ('100 days', 8640000000000000000);
SELECT id, format_pico_time(wait), wait FROM timer_waits;
id format_pico_time(wait) wait
1 sec 1.00 s 1000000000000
1 min 1.00 min 60000000000000
1 hour 1.00 h 3600000000000000
1 day 1.00 d 86400000000000000
100 days 100.00 d 8640000000000000000
SELECT sum(wait), format_pico_time(sum(wait)) FROM timer_waits;
sum(wait) format_pico_time(sum(wait))
8730061000000000000 101.04 d
SELECT avg(wait), format_pico_time(avg(wait)) FROM timer_waits;
avg(wait) format_pico_time(avg(wait))
1746012200000000000.0000 20.21 d
SELECT min(wait), format_pico_time(min(wait)) FROM timer_waits;
min(wait) format_pico_time(min(wait))
1000000000000 1.00 s
SELECT max(wait), format_pico_time(max(wait)) FROM timer_waits;
max(wait) format_pico_time(max(wait))
8640000000000000000 100.00 d
DROP TABLE timer_waits;
## Using Scientific Notation
SELECT format_pico_time(3e9);
format_pico_time(3e9)
3.00 ms
SELECT format_pico_time(4e6);
format_pico_time(4e6)
4.00 us
SELECT format_pico_time(5e3);
format_pico_time(5e3)
5.00 ns
SELECT format_pico_time(6e2);
format_pico_time(6e2)
600 ps
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